Read Panasonic CX-CA1270L Service Manual online
7.1. Main Block
IC601 : C2CBKH000010
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
P120
Security ROM Select
O
0
2
P121
Security data shift clock
O
0
3
P122
Security data output
O
0
4
P123
Security data input
I
0
5
P124
Battery level detection control
O
4.9
6-8
-
No connection
-
-
9
VDD
+5V digital power supply
-
4.9
10
X2
Crystal ocillator
-
3.1
11
X1
Crystal ocillator
-
2.5
12
VSS
Digital ground
-
0
13
XT2
Not used
-
-
14
XT1
(Connecting to Ground)
-
0
15
RESET
Reset
I
4.9
16
M INT
Interrupt input
I
5.1
17
BATT-DET
Battery level detection
I
4.8
18
IWAKEUP
Wake-up signal input
I
0
19
EJECT
Eject switch
I
4.9
20
BCLK5
Shift clock for optical comm. LSI
O
2.8
21
MAGA_IN
Load switch
I
4.9
22
STATUS
Status signal
O
0
23
AVDD
+5V analog power supply
-
4.8
24
AVREF
+5V analog power supply
-
4.8
25
7V_DET
Battery level (7V) detection
I
4.3
26
1V_DET
Battery level (1V) detection
I
1.0
27
GND
Ground
-
3.9
28-
32
GND
(Connecting to Ground)
-
0
33
AVSS
Analog ground
-
0
34
RX_RST
Optical comm. Receiver reset
O
0
35
NC
No connection
-
-
36
VDD
+5V digital power supply
-
4.8
37
SRDATA5
Serial data for optical comm. LSI
O
0
38
NC
No connection
-
-
39
TEXTCLK
Sub clock
O
4.8
40
SOMM
Serial data
I
2.9
41
SIMM
Serial data
O
0
42
SCKM
Shift clock
O
4.8
43
CNT_SI0
Buffer gate on/off
O
4.8
44
NC
No connection
-
-
45
MDA
I/F data
-
4.6
46
MRST
Reset
O
4.8
47
MCK
I/F data shift clock
O
5.0
48
MUTE
Mute control
O
0
49
TEXT_EN
TEXT clock enable
O
0
50
RX_ON
Optical comm. Receiver power
control
control
O
0
51
NC
No connection
-
-
52-
55
NC
No connection
-
-
56
CDON5
CD power on
O
4.9
57
RESET5
CD reset
O
4.9
58
DATA
LCD data
O
0.5
59
CLK
LCD data shift clock
O
0.5
60
LCK
LCD data load clock
O
0
61
OPTPW
Optical comm. controller power
on/off
on/off
O
0
62
KS1
Key strobe
O
0
63
KS0
Key strobe
O
0
64
KI2
Key data input
I
0
64
KI1
Key data input
I
0
66
KI0
Key data input
I
4.9
Pin
No.
Port
Descriptions
I/O
Vol
(V)
67
DOOR
Door illumination on/off
O
0
68
P54
ACC 5V power control
O
4.8
69
PON
System power control
O
4.9
70
MON
Not used
-
-
71
MWAKEUP
IC501 wake-up
O
0
72
VSS
Ground
-
0
73
OWAKEUP
wake-up signal output
O
0
74-
76
-
No connection
-
-
77
MERROR
IC501 error signal
I
0
78
MSTAT
IC501 status signal
I
0
79,8
0
NC
No connection
-
-
81
VDD
+5V digital power supply
-
4.9
82
LED_ON
LCD power control
O
4.8
83-
85
NC
No connection
-
-
86
MODE1
Not used
-
-
87
MODE2
Not used
-
-
88
DIAG1
Diag. signal input
I
0
89
DIAG2
Diag. signal input
I
0
90-
92
NC
No connection
-
-
93
F_WRITE
ROM data wirte control
O
0
94
VPP
ROM wite power supply
-
0
95-
100
NC
No connection
-
-
7 TERMINALS DESCRIPTION
7
AUDI / CX-CA1270L
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